<!DOCTYPE html>
<html>
  <head>
    <title>Error</title>
    <style>
        html { color-scheme: light dark; }
        body { width: 35em; margin: 0 auto;
            font-family: Tahoma, Verdana, Arial, sans-serif; }
    </style>
  </head>
  <body>
    <h1>An error occurred.</h1>
    <p>Sorry, the page you are looking for is currently unavailable.<br/>
      Please try again later.</p>
    <p>If you are the system administrator of this resource then you should check
      the error log for details.</p>
    <p><em>Faithfully yours, nginx.</em></p>
  </body>
</html>
